- renamings to the new naming convetion for adonisjs version 6

- npm updates

app/middleware/Is.ts

@@ -0,0 +1,64 @@
+import { HttpContext } from '@adonisjs/core/http';
+// import Config from '@ioc:Adonis/Core/Config';
+import config from '@adonisjs/core/services/config'
+import db from '@adonisjs/lucid/services/db';
+import User from '#app/Models/User';
+// import { Exception } from '@adonisjs/core/build/standalone'
+
+const roleTable = config.get('rolePermission.role_table', 'roles');
+const userRoleTable = config.get('rolePermission.user_role_table', 'user_roles');
+
+/**
+ * Role authentication to check if user has any of the specified roles
+ *
+ * Should be called after auth middleware
+ */
+export default class Is {
+    /**
+     * Handle request
+     */
+    public async handle({ auth, response }: HttpContext, next: () => Promise<void>, roleNames: string[]) {
+        /**
+         * Check if user is logged-in or not.
+         */
+        let user = await auth.user;
+        if (!user) {
+            return response.unauthorized({ error: 'Must be logged in' });
+        }
+        let hasRole = await this.checkHasRoles(user, roleNames);
+        if (!hasRole) {
+            return response.unauthorized({
+                error: `Doesn't have required role(s): ${roleNames.join(',')}`,
+            });
+            // return new Exception(`Doesn't have required role(s): ${roleNames.join(',')}`,
+            // 401,
+            // "E_INVALID_AUTH_UID");
+        }
+        // await next();
+        return next()
+    }
+
+    private async checkHasRoles(user: User, roleNames: Array<string>): Promise<boolean> {
+        let rolePlaceHolder = '(';
+        let placeholders = new Array(roleNames.length).fill('?');
+        rolePlaceHolder += placeholders.join(',');
+        rolePlaceHolder += ')';
+
+        let {
+            0: {
+                0: { roleCount },
+            },
+        } = await db.rawQuery(
+            'SELECT count(`ur`.`id`) as roleCount FROM ' +
+                userRoleTable +
+                ' ur INNER JOIN ' +
+                roleTable +
+                ' r ON ur.role_id=r.id WHERE `ur`.`user_id`=? AND `r`.`name` in ' +
+                rolePlaceHolder +
+                ' LIMIT 1',
+            [user.id, ...roleNames],
+        );
+
+        return roleCount > 0;
+    }
+}